# CVE-2026-23153: linux: In the Linux kernel, the following vulnerability has been resolved:  firewire: core: fix race condition against trans...

CVE-2026-23153 is fixed in linux on 1 platform by DEBIAN-CVE-2026-23153 (version 6.18.9-1), released February 14, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-23153
- Priority: Routine
- CVSS: 4.7 (medium)
- EPSS: 0.0009
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 14, 2026

## Description

In the Linux kernel, the following vulnerability has been resolved:  firewire: core: fix race condition against transaction list  The list of transaction is enumerated without acquiring card lock when processing AR response event. This causes a race condition bug when processing AT request completion event concurrently.  This commit fixes the bug by put timer start for split transaction expiration into the scope of lock. The value of jiffies in card structure is referred before acquiring the lock.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 14 | 6.18.9-1 | [DEBIAN-CVE-2026-23153](https://patchblox.com/security/data/fix/linux/debian-cve-2026-23153.md) | Feb 14, 2026 |

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Data as of 2026-11-08T13:06:02Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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